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There are several methods they may use: - OpenGraph (by Facebook, probably used by Whatsapp) – https://ogp.me/ https://ogp.me/ - Schema.org markup (the main p
by johneth 2y ago
There are several methods they may use:
- OpenGraph (by Facebook, probably used by Whatsapp) – https://ogp.me/ https://ogp.me/
- Schema.org markup (the main point of this blog) – https://schema.org/ https://schema.org/
- oEmbed (used to embed media in another page, e.g. YouTube videos on a WordPress blog) – https://oembed.com/ https://oembed.com/